CN2501680Y - Intelligent controller for stretching hydraulic machine - Google Patents
Intelligent controller for stretching hydraulic machine Download PDFInfo
- Publication number
- CN2501680Y CN2501680Y CN 01255831 CN01255831U CN2501680Y CN 2501680 Y CN2501680 Y CN 2501680Y CN 01255831 CN01255831 CN 01255831 CN 01255831 U CN01255831 U CN 01255831U CN 2501680 Y CN2501680 Y CN 2501680Y
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- resistance
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- operational amplifier
- cpu
- adjusting circuit
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Abstract
The utility model is an intelligent controller for a hydraulic drawing press, including a central processing unit (1), a bias, a gain regulation circuit (2), a bias, a gain regulation circuit (3). The input ends of the bias and the gain regulation circuit (2) are connected with a D/A inarch of the CPU (1), and the output end thereof is connected with a load through a servo amplifier and a servo valve. The input ends of the bias and the gain regulation circuit (3) are connected with a displacement pickup aside of the load, and the output ends thereof is connected with an A/D inarch of the CPU. Because the utility model applies with the structure controlled by an industrial controller, and the control system software of the computer is the manual intelligent procedure software, the utility model can achieve the speed change of the automatic adjusting the working piece state of the hydraulic drawing and the equal speed control, which can improve the positioning precision of the hydraulic drawing press and the repeated precision as well as the working speed and producing efficiency. The utility model can satisfy the complex and variety in the processing control course and the pressing and processing requirement of the high grade metal products with high precision requirement.
Description
1, technical field:
The utility model is a kind of controller that is used for hydraulic drawing press, belongs to the innovative technology of hydraulic drawing press controller used thereby.
2, background technology:
The controller of existing hydraulic drawing press, adopt relay control mostly or adopt the control of simple programmable controller, the shortcoming of its existence is to realize the speed change and the constant speed control of the automatic adaptation workpiece state of hydraulic drawing press, the positioning accuracy and the repeatable accuracy of hydraulic drawing press are lower, operating rate and production efficiency are not high, it is complicated and changeable to be difficult to satisfy some process control procedures, the punch process requirement of the high-grade metal product that required precision is higher.
3, summary of the invention:
The purpose of this utility model is to overcome above-mentioned shortcoming and provides a kind of speed change and constant speed of adapting to workpiece state automatically of realizing to control, the positioning accuracy and the repeatable accuracy of hydraulic drawing press can be improved and the intelligent controller of the hydraulic drawing press of its operating rate and production efficiency can be improved, it is complicated and changeable that the utility model can satisfy some process control procedures, the punch process requirement of the high-grade metal product that required precision is higher.
Structural representation of the present utility model as shown in drawings, include CPU (1), biasing, gain adjusting circuit (2), biasing, gain adjusting circuit (3), wherein the input of biasing, gain adjusting circuit (2) is connected with the D/A interface of CPU (1), output is connected with load by servo amplifier and servo valve, the input of biasing, gain adjusting circuit (3) is connected with the displacement transducer that is arranged at the load side, and output is connected with the A/D interface of CPU (1).
Above-mentioned biasing, gain adjusting circuit (2) include several operational amplifiers and peripheral resistance thereof.
Above-mentioned biasing, gain adjusting circuit (3) include several operational amplifiers and peripheral resistance thereof.
The utility model is because the structure that adopts Industrial Control Computer to control, therefore, can realize the speed change and the constant speed control of the automatic adaptation workpiece state of hydraulic drawing press, the positioning accuracy and the repeatable accuracy of hydraulic drawing press can be improved and its operating rate and production efficiency can be improved, it is complicated and changeable that the utility model can satisfy some process control procedures, the punch process requirement of the high-grade metal product that required precision is higher.The utility model is that a kind of design is ingenious, simple in structure, safe and practical, the intelligent controller of hydraulic drawing press with low cost.
4, description of drawings:
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is a circuit diagram of the present utility model.
5, the specific embodiment:
Embodiment:
Theory diagram of the present utility model as shown in Figure 1, include CPU (1), biasing, gain adjusting circuit (2), biasing, gain adjusting circuit (3), wherein the input of biasing, gain adjusting circuit (2) is connected with the D/A interface of CPU (1), output is connected with load by servo amplifier and servo valve, the input of biasing, gain adjusting circuit (3) is connected with the displacement transducer that is arranged at the load side, and output is connected with the A/D interface of CPU (1).
Above-mentioned biasing, gain adjusting circuit (2) include several operational amplifiers and peripheral resistance thereof.
Above-mentioned biasing, gain adjusting circuit (3) include several operational amplifiers and peripheral resistance thereof.
In the present embodiment, above-mentioned CPU (1) can be common computer, also can be Industry Control level IPC computer, and the control system software of computer is artificial intelligence program's software; Above-mentioned biasing, gain adjusting circuit (2) includes two operational amplifier IC1, IC2 and peripheral resistance R 1～R7 thereof, wherein the positive input terminal of operational amplifier IC1 is connected with the D/A interface of CPU (1) by resistance R 1, negative input end is connected with power supply by variable resistor R5 respectively and reach passes through resistance R 2 ground connection, the output of operational amplifier IC1 is connected with the positive input terminal of operational amplifier IC2 by resistance R 3, the negative input end of IC2 is by resistance R 4 ground connection, the output of operational amplifier IC2 is connected with load by servo amplifier and servo valve, resistance R 6 is connected between the positive input terminal and output of IC1, and resistance R 7 is connected between the positive input terminal and output of IC2.
In the present embodiment, above-mentioned biasing, gain adjusting circuit (3) includes two operational amplifier IC3, IC4 and peripheral resistance R 8～R13 thereof, wherein the positive input terminal of operational amplifier IC3 is connected with the displacement transducer that is arranged at the load side by resistance R 11, negative input end is connected with power supply respectively and by resistance R 10 ground connection, the output of operational amplifier IC3 is connected with the positive input terminal of operational amplifier IC4 by resistance R 9, the negative input end of IC4 is by resistance R 8 ground connection, the output of operational amplifier IC4 is connected with the A/D interface of CPU (1), resistance R 11 is connected between the positive input terminal and output of IC3, and resistance R 12 is connected between the positive input terminal and output of IC4.
Claims (6)
1, a kind of intelligent controller of hydraulic drawing press, it is characterized in that including CPU (1), biasing, gain adjusting circuit (2), biasing, gain adjusting circuit (3), wherein the input of biasing, gain adjusting circuit (2) is connected with the D/A interface of CPU (1), output is connected with load by servo amplifier and servo valve, the input of biasing, gain adjusting circuit (3) is connected with the displacement transducer that is arranged at the load side, and output is connected with the A/D interface of CPU (1).
2, the intelligent controller of hydraulic drawing press according to claim 1 is characterized in that above-mentioned biasing, gain adjusting circuit (2) include several operational amplifiers and peripheral resistance thereof.
3, the intelligent controller of hydraulic drawing press according to claim 2 is characterized in that above-mentioned biasing, gain adjusting circuit (3) include several operational amplifiers and peripheral resistance thereof.
4, the intelligent controller of hydraulic drawing press according to claim 3, it is characterized in that above-mentioned biasing, gain adjusting circuit (2) includes two operational amplifier IC1, IC2 and peripheral resistance R 1～R7 thereof, wherein the positive input terminal of operational amplifier IC1 is connected with the D/A interface of CPU (1) by resistance R 1, negative input end is connected with power supply by variable resistor R5 respectively and reach passes through resistance R 2 ground connection, the output of operational amplifier IC1 is connected with the positive input terminal of operational amplifier IC2 by resistance R 3, the negative input end of IC2 is by resistance R 4 ground connection, the output of operational amplifier IC2 is connected with load by servo amplifier and servo valve, resistance R 6 is connected between the positive input terminal and output of IC1, and resistance R 7 is connected between the positive input terminal and output of IC2.
5, the intelligent controller of hydraulic drawing press according to claim 3, it is characterized in that above-mentioned biasing, gain adjusting circuit (3) includes two operational amplifier IC3, IC4 and peripheral resistance R 8～R13 thereof, wherein the positive input terminal of operational amplifier IC3 is connected with the displacement transducer that is arranged at the load side by resistance R 11, negative input end is connected with power supply respectively and by resistance R 10 ground connection, the output of operational amplifier IC3 is connected with the positive input terminal of operational amplifier IC4 by resistance R 9, the negative input end of IC4 is by resistance R 8 ground connection, the output of operational amplifier IC4 is connected with the A/D interface of CPU (1), resistance R 11 is connected between the positive input terminal and output of IC3, and resistance R 12 is connected between the positive input terminal and output of IC4.
6, according to the intelligent controller of claim 1 or 2 or 3 or 4 or 5 described hydraulic drawing presses, it is characterized in that above-mentioned CPU (1) can be common computer, also can be Industry Control level IPC computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01255831 CN2501680Y (en) | 2001-09-21 | 2001-09-21 | Intelligent controller for stretching hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01255831 CN2501680Y (en) | 2001-09-21 | 2001-09-21 | Intelligent controller for stretching hydraulic machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2501680Y true CN2501680Y (en) | 2002-07-24 |
Family
ID=33664894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01255831 Expired - Fee Related CN2501680Y (en) | 2001-09-21 | 2001-09-21 | Intelligent controller for stretching hydraulic machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2501680Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301848C (en) * | 2003-11-24 | 2007-02-28 | 天津市天锻压力机有限公司 | Monitoring system of metal extrusion hydraulic press |
| CN104441754A (en) * | 2014-11-29 | 2015-03-25 | 合肥合锻机床股份有限公司 | Control system and method and control device and method of vertical axial forming press |
-
2001
- 2001-09-21 CN CN 01255831 patent/CN2501680Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301848C (en) * | 2003-11-24 | 2007-02-28 | 天津市天锻压力机有限公司 | Monitoring system of metal extrusion hydraulic press |
| CN104441754A (en) * | 2014-11-29 | 2015-03-25 | 合肥合锻机床股份有限公司 | Control system and method and control device and method of vertical axial forming press |
| CN104441754B (en) * | 2014-11-29 | 2016-08-24 | 合肥合锻机床股份有限公司 | The control system of vertical axial shaping press and method, control device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |